{"product_id":"advantech-pcl-720-rev-c-402-2-digital-i-o-counter-circuit-board-card","title":"ADVANTECH PCL-720 Rev C 402-2 Digital I\/O \u0026 Counter Circuit Board Card","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e· 64 digital I\/O channels: 32 inputs, 32 outputs\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e· On-board clock sources: 1 MHz, 100 kHz, and 10 kHz, with options to double, half, or quarter frequencies via jumpers · Period and pulse width measurement capabilities · Event and frequency counting functions · High output driving capacity with output low level max 0.5V at 24 mA (sink) and output high level min 2.0V at 15 mA (source) · Digital input levels: Low -0.5V to 0.8V, High 2.0V to 5.0V, with typical input hysteresis 0.4V · Bus interface: IBM PC bus via a 62-pin slot · Dimensions: 9\" x 4.125\" (22.8 cm x 10.48 cm) · Breadboard area with 540 plated-through holes for custom connections · I\/O port address range: Hex 200 - hex 3F8 · Applications include industrial automation, laboratory automation, BCD interface, and digital I\/O control.\u003c\/p\u003e","brand":"Advantech","offers":[{"title":"Default Title","offer_id":43672884281453,"sku":"12312","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_d7fc6e1d-da3c-4db0-ad28-d61a2912843c.jpg?v=1763341603","url":"https:\/\/willardshvacsupply.com\/products\/advantech-pcl-720-rev-c-402-2-digital-i-o-counter-circuit-board-card","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}